isibhengezo_sekhasi

umkhiqizo

2-Bromo-4-fluorobenzaldehyde (CAS# 59142-68-6)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H4BrFO
I-Molar Mass 203.01
Ukuminyana 1.70
I-Melting Point 61.5
I-Boling Point 234.9±20.0 °C(Kubikezelwe)
I-Flash Point 95.9 °C
Ukubukeka Amakristalu afana nokuphuzi
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
I-MDL I-MFCD00672923
Izakhiwo Zomzimba Nezamakhemikhali Impushana emhlophe

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R52 – Iyingozi ezintweni eziphila emanzini
R36 – Ukucasuka emehlweni
I-R22 – Iyingozi uma igwinywe
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
Ikhodi ye-HS 29122990
Inothi Lengozi Iyacasula
I-Hazard Class I-IRRITANT, LIGHT IYABONA

 

Isingeniso

I-2-Bromo-4-fluorobenzaldehyde iyinhlanganisela yezinto eziphilayo.

 

Ikhwalithi:

I-2-Bromo-4-fluorobenzaldehyde iyikristale eqinile emhlophe enephunga elikhethekile le-benzaldehyde. Cishe ayincibiliki emanzini ezingeni lokushisa legumbi, kodwa ingancibilika kuzincibilikisi zemvelo ezifana notshwala, ama-ether, nama-ketone.

 

Sebenzisa:

I-2-Bromo-4-fluorobenzaldehyde inohlu olubanzi lwezinhlelo zokusebenza ku-organic synthesis.

 

Indlela:

Indlela yokuhlanganisa ye-2-bromo-4-fluorobenzaldehyde itholakala kakhulu ngokusabela kwe-fluoroborate ne-bromobenzaldehyde. Izinyathelo ezithile ukusabela i-fluoroborate ne-bromobenzaldehyde ngaphansi kwezimo ezine-asidi ukuze kutholwe i-2-bromo-4-fluorobenzaldehyde, bese uthatha izinyathelo ezithile zokwelashwa ukuze ekugcineni uthole umkhiqizo oqondiwe.

 

Ulwazi Lokuphepha: Yinto eyingozi engaba yingozi emzimbeni womuntu kanye nemvelo. Uma ihlangana nesikhumba namehlo, ingabangela ukucasuka kanye nomuzwa ovuthayo. Lapho usebenza, izinto zokuzivikela ezifanele njengezingilazi zokuphepha, amagilavu ​​nezingubo zokuzivikela kufanele zigqokwe. Lapho uyigcina, kufanele igcinwe ivalwe ngokuqinile futhi ikude nomlilo nemithombo yokushisa.

 


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